Moment of Um

A podcast by American Public Media

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236 Episodes

  1. How do batteries work?

    Published: 11/8/2024
  2. Why do we rub our eyes when we're tired?

    Published: 11/7/2024
  3. How do lightbulbs work?

    Published: 11/6/2024
  4. Why do ostriches stick their heads in the ground?

    Published: 11/5/2024
  5. How does anesthesia work?

    Published: 11/4/2024
  6. Why do we need belly buttons?

    Published: 11/1/2024
  7. What produces eye gunk when we sleep?

    Published: 10/31/2024
  8. How does bug spray work?

    Published: 10/30/2024
  9. Why do we itch?

    Published: 10/29/2024
  10. What are antibiotics and probiotics?

    Published: 10/28/2024
  11. How do music boxes work?

    Published: 10/25/2024
  12. Why do pugs have such scrunched faces?

    Published: 10/24/2024
  13. How do Magic 8-balls work?

    Published: 10/23/2024
  14. How and why do we produce saliva?

    Published: 10/22/2024
  15. How is flannel made?

    Published: 10/21/2024
  16. Why do irons have to be hot to de-wrinkle things?

    Published: 10/18/2024
  17. Why didn't sharks go extinct like dinosaurs?

    Published: 10/17/2024
  18. Why do volcanoes go dormant?

    Published: 10/16/2024
  19. What is the flavor of root beer?

    Published: 10/15/2024
  20. How does your body make a fever?

    Published: 10/14/2024

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Moment of Um is your daily answer to those questions that pop up out of nowhere and make you go… ummmmmmm. Brought to you by your friends at Brains On at APM Studios.